Muktamar, Z.; Fahrurrozi, .-.; Dwatmadji, .-.; Setyowati, N.; Sudjatmiko, S.; Chozin, M. Selected Macronutrient Uptake by Sweet Corn under Different Rates of Liquid Organic Fertilizer in Closed Agriculture System. Int. J. Adv. Sci. Eng. Inf. Technol. 2016, 6, 258-261.